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11. A reservoir containing retrograde gas has a reservoir pressure higher than the dew-point pressure of the gas as evidenced by constant producing gas-oil ratio. The gas is produced through PETROLEUM FLUIDS three stages of separation. The primary separator produces 4187 scf/STB of 0.666 specific gravity gas. Stock-tank oil gravity is 55.2°API. The primary separator is operated at 650 psia and 105°F. The second separator is at 95°F. Calculate the specific gravity of the reservoir gas.

11. A reservoir containing retrograde gas has a reservoir pressure higher than the dew-point pressure of the gas as evidenced by constant producing gas-oil ratio. The gas is produced through PETROLEUM FLUIDS three stages of separation. The primary separator produces 4187 scf/STB of 0.666 specific gravity gas. Stock-tank oil gravity is 55.2°API. The primary separator is operated at 650 psia and 105°F. The second separator is at 95°F. Calculate the specific gravity of the reservoir gas.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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7-11. A reservoir containing retrograde gas has a reservoir pressure higher than the dew-point pressure of the gas as evidenced by constant producing gas-oil ratio. The gas is produced through 222 PETROLEUM FLUIDS three stages of separation. The primary separator produces 4187 scf/STB of 0.666 specific gravity gas. Stock-tank oil gravity is 55.2°API. The primary separator is operated at 650 psia and 105°F. The second separator is at 95°F. Calculate the specific gravity of the reservoir gas.
Transcribed Image Text:7-11. A reservoir containing retrograde gas has a reservoir pressure higher than the dew-point pressure of the gas as evidenced by constant producing gas-oil ratio. The gas is produced through 222 PETROLEUM FLUIDS three stages of separation. The primary separator produces 4187 scf/STB of 0.666 specific gravity gas. Stock-tank oil gravity is 55.2°API. The primary separator is operated at 650 psia and 105°F. The second separator is at 95°F. Calculate the specific gravity of the reservoir gas.
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